Atomfair 3-Butyl-1-methyl-1H-imidazol-3-ium bis(fluorosulfonyl)amide BMIM FSI, BMIM bis(FSO2)2N C8H15F2N3O4S2 CAS 1235234-58-8

Description

3-Butyl-1-methyl-1H-imidazol-3-ium bis(fluorosulfonyl)amide (CAS No. 1235234-58-8) is a high-purity ionic liquid with the molecular formula C₈H₁₅F₂N₃O₄S₂. This compound, also known by its IUPAC name bis(fluorosulfonyl)azanide;1-butyl-3-methylimidazol-3-ium, is a versatile material widely used in electrochemical applications due to its excellent thermal stability, low viscosity, and high ionic conductivity. It is particularly valued as an electrolyte component in advanced lithium-ion batteries, supercapacitors, and other energy storage systems. The product is supplied as a clear, colorless to pale yellow liquid with a purity of ≥98%, ensuring consistent performance in research and industrial settings. Proper storage under inert conditions is recommended to maintain its stability and shelf life.

Properties

• CAS Number: 1235234-58-8
• Complexity: 324
• IUPAC Name: bis(fluorosulfonyl)azanide;1-butyl-3-methyl-imidazol-3-ium
• InChI: InChI=1S/C8H15N2.F2NO4S2/c1-3-4-5-10-7-6-9(2)8-10;1-8(4,5)3-9(2,6)7/h6-8H,3-5H2,1-2H3;/q+1;-1
• InChI Key: UAHSIDZLYHAYDH-UHFFFAOYSA-N
• Exact Mass: 319.04720464
• Molecular Formula: C8H15F2N3O4S2
• Molecular Weight: 319.4
• SMILES: CCCCN1C=C[N+](=C1)C.[N-](S(=O)(=O)F)S(=O)(=O)F
• Topological: 94.9
• Monoisotopic Mass: 319.04720464
• Synonyms: 1235234-58-8, 3-Butyl-1-methyl-1H-imidazol-3-ium bis(fluorosulfonyl)amide, MFCD17018938, 1-Butyl-3-methylimidazolium bis(fluorosulfonyl)imide, G83920, 1-butyl-3-methylimidazolium bis(fluorosulfonyl)amide

Application

3-Butyl-1-methyl-1H-imidazol-3-ium bis(fluorosulfonyl)amide is primarily used as an electrolyte additive in lithium-ion batteries to enhance thermal stability and electrochemical performance. Its low volatility and high ionic conductivity make it ideal for high-temperature battery applications. Researchers also employ it in supercapacitors and fuel cells to improve energy density and cycle life. Additionally, it serves as a solvent or catalyst in organic synthesis due to its unique ionic properties.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)
• STOT SE 3 (100%)

If you are interested or have any questions, please contact us at support@atomfair.com

Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.